diff --git a/README.md b/README.md
index 11e04e3..d11b7c8 100644
--- a/README.md
+++ b/README.md
@@ -19,9 +19,9 @@ versions.
 ## Running the script
 
 The script targets can be used to target a DC or backup DC. It likely also works against a read-only DC, but this has 
-not been tested. Given a domain controller named `EXAMPLE-DC` with IP address `1.2.3.4`, run the script as follows:
+not been tested. Given a domain controller named `EXAMPLE-DC` with a file containing a list of IP address `IPlist.txt`, run the script as follows:
 
-    ./zerologon_tester.py EXAMPLE-DC 1.2.3.4
+    ./zerologon_tester.py EXAMPLE-DC IPlist.txt
 
 The DC name should be its NetBIOS computer name. If this name is not correct, the script will likely fail with a 
 `STATUS_INVALID_COMPUTER_NAME` error.